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1068619396 = 221328173133
BaseRepresentation
bin111111101100011…
…101011010000100
32202110210111020011
4333230131122010
54142031310041
6254012120004
735324054305
oct7754353204
92673714204
101068619396
114a9231629
12259a66004
13140514490
14a1cd07ac
1563c37e81
hex3fb1d684

1068619396 has 24 divisors (see below), whose sum is σ = 2021131224. Its totient is φ = 491447040.

The previous prime is 1068619393. The next prime is 1068619397. The reversal of 1068619396 is 6939168601.

It can be written as a sum of positive squares in 4 ways, for example, as 185340996 + 883278400 = 13614^2 + 29720^2 .

It is a super-2 number, since 2×10686193962 = 2283894827014809632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068619393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21955 + ... + 51178.

It is an arithmetic number, because the mean of its divisors is an integer number (84213801).

Almost surely, 21068619396 is an apocalyptic number.

It is an amenable number.

1068619396 is a deficient number, since it is larger than the sum of its proper divisors (952511828).

1068619396 is a wasteful number, since it uses less digits than its factorization.

1068619396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73431 (or 73429 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1068619396 is about 32689.7445080258. The cubic root of 1068619396 is about 1022.3690276467.

The spelling of 1068619396 in words is "one billion, sixty-eight million, six hundred nineteen thousand, three hundred ninety-six".

Divisors: 1 2 4 13 26 52 281 562 1124 3653 7306 14612 73133 146266 292532 950729 1901458 3802916 20550373 41100746 82201492 267154849 534309698 1068619396